From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933477AbcBBPvX (ORCPT ); Tue, 2 Feb 2016 10:51:23 -0500 Received: from unicorn.mansr.com ([81.2.72.234]:47669 "EHLO unicorn.mansr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933300AbcBBPvU convert rfc822-to-8bit (ORCPT ); Tue, 2 Feb 2016 10:51:20 -0500 From: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= To: Ralf Baechle Cc: Linus Torvalds , Paul McKenney , Boqun Feng , Will Deacon , Peter Zijlstra , "Maciej W. Rozycki" , David Daney , James Hogan , Linux Kernel Mailing List Subject: Re: [RFC][PATCH] mips: Fix arch_spin_unlock() References: <20160129095958.GA4541@arm.com> <20160129102253.GG4503@linux.vnet.ibm.com> <20160201135621.GD6828@arm.com> <20160202035458.GF6719@linux.vnet.ibm.com> <20160202051904.GC1239@fixme-laptop.cn.ibm.com> <20160202064433.GG6719@linux.vnet.ibm.com> <20160202144932.GA30875@linux-mips.org> <20160202145817.GB30875@linux-mips.org> Date: Tue, 02 Feb 2016 15:51:17 +0000 In-Reply-To: <20160202145817.GB30875@linux-mips.org> (Ralf Baechle's message of "Tue, 2 Feb 2016 15:58:18 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ralf Baechle writes: > On Tue, Feb 02, 2016 at 02:54:06PM +0000, Måns Rullgård wrote: > >> We don't really have much choice given the reality of existing hardware. > > No, of course not - but I want us discourage new weakly ordered > platforms as much as possible. Where do you draw the line though? You can't exactly go and impose some kind of global ordering in a multi-master system. -- Måns Rullgård